EP0619434A3 - Pressure equaliser device. - Google Patents

Pressure equaliser device. Download PDF

Info

Publication number
EP0619434A3
EP0619434A3 EP94105027A EP94105027A EP0619434A3 EP 0619434 A3 EP0619434 A3 EP 0619434A3 EP 94105027 A EP94105027 A EP 94105027A EP 94105027 A EP94105027 A EP 94105027A EP 0619434 A3 EP0619434 A3 EP 0619434A3
Authority
EP
European Patent Office
Prior art keywords
pressure equaliser
equaliser device
pressure
equaliser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94105027A
Other languages
German (de)
French (fr)
Other versions
EP0619434A2 (en
Inventor
Luciano Migliori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Univer SpA
Original Assignee
Univer SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univer SpA filed Critical Univer SpA
Publication of EP0619434A2 publication Critical patent/EP0619434A2/en
Publication of EP0619434A3 publication Critical patent/EP0619434A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/20—Spring action or springs
    • B60G2500/204—Pressure regulating valves for air-springs
    • B60G2500/2044—Air exhausting valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/20—Spring action or springs
    • B60G2500/204—Pressure regulating valves for air-springs
    • B60G2500/2046—Pressure equalising valves between two units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/57—Control of a differential pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7052—Single-acting output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/76—Control of force or torque of the output member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2577—Liquid level responsive

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Fluid Pressure (AREA)
  • Testing Of Balance (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
EP94105027A 1993-04-05 1994-03-30 Pressure equaliser device. Withdrawn EP0619434A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI930672A IT1264004B (en) 1993-04-05 1993-04-05 PRESSURE BALANCING DEVICE FOR BALANCING LOADS
ITMI930672 1993-04-05

Publications (2)

Publication Number Publication Date
EP0619434A2 EP0619434A2 (en) 1994-10-12
EP0619434A3 true EP0619434A3 (en) 1995-03-01

Family

ID=11365654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94105027A Withdrawn EP0619434A3 (en) 1993-04-05 1994-03-30 Pressure equaliser device.

Country Status (4)

Country Link
US (1) US5402816A (en)
EP (1) EP0619434A3 (en)
CA (1) CA2120377A1 (en)
IT (1) IT1264004B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100437081C (en) * 2004-10-29 2008-11-26 中国石油化工股份有限公司 A self-adjusting pressure balance device
DE102010005101B4 (en) * 2010-01-20 2011-09-01 Poppe & Potthoff Gmbh Pressure limiting valve, in particular for limiting the fluid pressure in a manifold of a common rail injection system
CN106523480B (en) * 2016-11-23 2018-03-09 南京航空航天大学 A kind of hydraulic servo driving system and control method
CN106501073B (en) * 2016-12-22 2023-12-19 华能国际电力股份有限公司 Loading device with external pressure-guiding pressure balance structure and loading method
JP7756508B2 (en) * 2021-07-12 2025-10-20 旭有機材株式会社 Suck Back Valve
CN114220686B (en) * 2021-12-14 2023-11-17 青岛随云电子科技有限公司 Key structure and wearable equipment
CN114893601B (en) * 2022-05-09 2024-06-25 江苏凌氢新能源科技有限公司 Two-way regulation's environmental cabin pressure self-balancing unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407827C2 (en) * 1983-03-24 1985-03-28 Hydromatik GmbH, 7915 Elchingen Diaphragm seal

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171708A (en) * 1977-04-25 1979-10-23 Lear Siegler, Inc. Bypass and unloader valve
DE3701572A1 (en) * 1987-01-21 1988-08-04 Danfoss As PRESSURE LIMIT VALVE

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407827C2 (en) * 1983-03-24 1985-03-28 Hydromatik GmbH, 7915 Elchingen Diaphragm seal

Also Published As

Publication number Publication date
ITMI930672A0 (en) 1993-04-05
ITMI930672A1 (en) 1994-10-05
US5402816A (en) 1995-04-04
IT1264004B (en) 1996-09-06
CA2120377A1 (en) 1994-10-06
EP0619434A2 (en) 1994-10-12

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Effective date: 19971001